- 4 - 



unguiculatus, ungue dentato, c. 0.2 — 0.5 cm. longo, 1.1 — 1.5 cm. 

 lato, lamina subovatoorbiculari, apice subtruncata, apiculata, 

 undulata, in utraque dlsci trianguli parte albida, radiatira atrofusce 

 punctatonervosa, c. 1.0 — 1.7 cm. longa, l.ij — 2.5 cm. lata. 

 Gynostemium arcuatum, apicem versus late alatum, subtus con- 

 cavum, basi brevissime productum, apice breviter obtusissime 

 Slobum, inferne albidum, tenuissime brunneo-marginatum, basi 

 macula atrofusca ornatum, superne aurantiaco-flavum vel aureum, 

 c. 3.9 cm. longum, antice 1 cm. latum. Anthera magna, sub 

 ala abscondita, cucullata, apice triangula. pallide flavescens, 

 c. 0.825 cm. longa. Pollinia 4, oblique suboblonga, extus con- 

 vexa, intus longttudinaliter excavata, cum caudicula c. 0.625 cm. 

 longa. Rostellum magnum, triangulum, acutum. Stigma margine 

 inferiore valde elevatum et recurvum. Ovarium pedicellatum 

 sigraoideum, valde ôcostatum, dilate viride, c. 0.05 cm. longum. 



Celebes: Kolaka (J. Elbert 1909, liv. pi. cuit, in Hort. 

 Bog. sub n. 4). Kampoeng Tapalang near Makasar. (Exp. 

 L. van A^uuren 1912, Noerkas, liv. pi. cuit, in Hort. Bog. 

 sub n. 388). Goenoeng Paka-Paka. (Exp. L. van Vuuren 1913, 

 Ra climat n. 678, Septeraber 1913). Bili-Bili. (Exp. L. van 

 Vuuren 1913, Rachmat, liv. pi. cuit, in Hort. Bog. sub n. 29). 



A large flowered species allied to G. speciosa Lndl. and 

 G. Rumphii Lndl. G. speciosa Lndl. differs in the much narrower 

 leaves, weaker and shorter inflorescences, a larger midlobe, dif- 

 ferently shaped keels etc., while G. BumpJni Lndl. has erect 

 racemes, a much narrower lip with a larger midlobe and very 

 différent keels. 



Desciiption from living plants. 



Ifia^iU'.yiK' J- J. s. n. gen. 

 Sepala, petala et labellum puberula, sepala durso et petala 

 utrinque ad basin pilis crassis inspersa. Sepalum dorsale ellip- 

 ticum, basi cucullatum, lateralia paulo longiora et angustiora. 

 Petala e basi unguiculata late rhombea, acuminata. Labellum sim- 

 plex, planum, auguste rhombeum, longe angustatum, basi callo 

 parvo donatum. Gynostemium brève, alatum, ala apice trilobu- 

 la, pede 0. Rostellum triangulum. Stigma basilare, margine 

 elavatum. 



